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BIO NMDCAT Factors that Affect the Rate of Enzyme Reactions
nmdcat.online July 11, 2026

During an investigation of enzyme activity, maintaining excess substrate ensures that

A. Temperature becomes the only limiting factor
B. The measured reaction rate depends mainly on enzyme concentration
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C. Product concentration remains constant
D. Enzyme denaturation is prevented

📝 Explanation

When substrate is abundant, all enzyme molecules can function at maximum capacity, making enzyme concentration the principal variable.

📖 Additional Information

  • Temperature becomes the only limiting factor
  • The measured reaction rate depends mainly on enzyme concentration
  • Product concentration remains constant
  • Enzyme denaturation is prevented

When substrate is abundant, all enzyme molecules can function at maximum capacity, making enzyme concentration the principal variable.

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